According to the "Notice of the Beijing Local Taxation Bureau forwarding the State Administration of Taxation's approval on the procedures for handling the change and cancellation of invoices bearing the name of the enterprise" (Jingdi Shuipiao [2009] No. 24): 1. The enterprise is handling When changing tax registration, go through the invoice change procedures and re-go through the administrative approval procedures for invoices bearing the company name. ?2. The competent tax authority issues a notice to the enterprise to pay off the old version of the invoice within a time limit. The old version of the invoice can continue to be used before the deadline for payment and cancellation. The specific payment and cancellation period shall be determined by the competent tax authorities based on the enterprise's use of invoices. 3. After completing the administrative approval procedures for invoices printed with the company name, go through the procedures for the company to print a new version of the invoice and change the invoice purchase book. ?4. Handle matters regarding the company's purchase of new invoices and pay off old invoices on schedule.